From 66b161238d19aaddaf2ef4acb60aadaab8339fb6 Mon Sep 17 00:00:00 2001 From: Ben Gras Date: Thu, 11 Dec 2008 14:17:45 +0000 Subject: [PATCH] function to increase process stack (pointer). used by VM to set up large, sparse, non-preallocated heap and stack. --- kernel/arch/i386/arch_do_vmctl.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/kernel/arch/i386/arch_do_vmctl.c b/kernel/arch/i386/arch_do_vmctl.c index b82ce52a3..523165d82 100644 --- a/kernel/arch/i386/arch_do_vmctl.c +++ b/kernel/arch/i386/arch_do_vmctl.c @@ -35,6 +35,10 @@ struct proc *p; } RTS_LOCK_UNSET(p, VMINHIBIT); return OK; + case VMCTL_INCSP: + /* Increase process SP. */ + p->p_reg.sp += m_ptr->SVMCTL_VALUE; + return OK; case VMCTL_GET_PAGEFAULT: { struct proc *rp; -- 2.44.0